Cheap flights from Ireland to Belfast from €59
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Belfast departing on 19/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Aer Lingus flights from Ireland to Belfast
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British Airways flights from Ireland to Belfast
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How to get the cheapest flight ticket from Ireland to Belfast
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Cheap Ireland to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Belfast
When did momondo last update prices for flights from Ireland to Belfast?
Prices for flights from Ireland to Belfast are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Belfast?
As of July 2025, there is 1 operator available to choose from for flights from Ireland to Belfast.
How old do you have to be to fly from Ireland to Belfast?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Ireland to Belfast
Compare and see reviews for airlines that fly from Ireland to Belfast with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €258 | Free Cancellation | Rating 6.6 7,093 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to Belfast?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Belfast . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ireland to Belfast with flexible booking policies on momondo?
Yes. All flights to Belfast from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ireland to Belfast?
Once all potential Ireland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ireland to Belfast right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ireland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.